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n9801f
Topic Author
Posts: 337
Joined: Tue Apr 13, 2004 8:29 am

727 With Afterburners!

Mon May 24, 2004 11:34 pm

A while back I saw a photo of a Mexicana 727 taking off with 'afterburners'!

There was a place at the wing root where fuel was ejected and ignited to provide extra thrust during takeoff, especially from hot-and-high airfields like Mexico City.

Anyone have more information, or can you upload a photo???
 
kellmark
Posts: 560
Joined: Thu Dec 21, 2000 12:05 pm

RE: 727 With Afterburners!

Mon May 24, 2004 11:42 pm

These were not afterburners. The 727s that Mexicana used to fly were fitted with rocket packs because of the high altitude airport at MEX and the reduced performance that resulted. The rocket units were only to be used in the event of an engine failure on takeoff.
 
voodoo
Posts: 1984
Joined: Mon Mar 19, 2001 12:14 am

RE: 727 With Afterburners!

Mon May 24, 2004 11:46 pm

Here's a CV-340 with similar:


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Photo © Willam W. Sierra

` Yeaah! Baade 152! Trabi of the Sky! '
 
DeltaMD11
Posts: 1680
Joined: Sat Dec 07, 2002 4:56 am

RE: 727 With Afterburners!

Tue May 25, 2004 1:19 am

They're called JATO (Jet Assisted Take Off) rockets. Mexicana had them on their 727's for a while to assist in hot and high operations.


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Photo © Tony Zeljeznjak



And no, before you ask, the 727's equipped with the JATO's did not have an AOA that steep on take-off. The JATO's primarily served to accelerate the aircraft faster and give you that extra umph to get off the ground.
Too often we ... enjoy the comfort of opinion without the discomfort of thought. - John Fitzgerald Kennedy
 
n9801f
Topic Author
Posts: 337
Joined: Tue Apr 13, 2004 8:29 am

RE: 727 With Afterburners!

Tue May 25, 2004 2:20 am

Impressive! Thank you for the information.

Were there any carriers besides MX with the JATO on 727's?

And are there other examples of JATO's on commercial aircraft (besides the CV-240 and 727)? I nominate the A-340 as the next JATO airliner - it's climb profile is frighteningly shallow...
 
bobnwa
Posts: 4514
Joined: Fri Dec 22, 2000 12:10 am

RE: 727 With Afterburners!

Tue May 25, 2004 2:25 am

N9801F,

JATO is not used for climbing but is used for takeoff assistance.
 
9844
Posts: 194
Joined: Fri Nov 16, 2001 12:36 am

RE: 727 With Afterburners!

Tue May 25, 2004 2:27 am

Continental Micronesia bought 4 of them. Then used them for DHL freighter operations in the south pac & western Asia. The Jato was never used. They have since stopped this freighter operations sold the routes. The aircraft I think have been moth-balled..
 
dc8jet
Posts: 329
Joined: Thu Feb 19, 2004 1:40 pm

RE: 727 With Afterburners!

Tue May 25, 2004 4:32 am

I seem ro recall that American installed JATO on a DC-4 freighter many years ago. I saw a Canadian Armed Forces C-130 make a JATO assisted take off. It was quite impressive.
 
WesternDC1010
Posts: 309
Joined: Sat Jul 19, 2003 9:29 am

RE: 727 With Afterburners!

Tue May 25, 2004 5:06 am

Now that would be a sight to have seen! An MX Boeing 727-264 with rocket packs!
I would've never dreamed it.

- Ron
Western DC-10-10
Western Airlines - The Only Way To Fly
 
Arcano
Posts: 2301
Joined: Mon Mar 22, 2004 4:34 am

RE: 727 With Afterburners!

Tue May 25, 2004 5:07 am

Hey!

This could be a good argument for VASP trying to explain their passengers this:

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Photo © M.Oertle



 Smile/happy/getting dizzy

BTW: thanks for the info, I had no idea this was used.

Saludos )( Arcano
in order: 721,146,732,763,722,343,733,320,772,319,752,321,88,83,744,332,100,738, 333, 318, 77W, 78, 773, 380, 73G, 788, 789, 346
 
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United_fan
Posts: 6693
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RE: 727 With Afterburners!

Tue May 25, 2004 8:46 am

Being the 727 buff that I am...
I looked thru my Modern Civil Aircraft:13 book.
According to the author:These Mexicana aircraft were part of a 12 plane order delivered to MX with sold-fuel rocket boosters installed under the fuselage.The rocket was available as a continegency power-pack for airports in the Andes. It was only to be used in an extreme emergency.
This installation required the relocation of some radio & nav equipment to a new location on the top of the fuselage,hence the bump.

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Photo © Robert M. Campbell


This modification was unofficially know as a 727-200/JATO.
"Suspicion is a matter of opinion"
 
n9801f
Topic Author
Posts: 337
Joined: Tue Apr 13, 2004 8:29 am

RE: 727 With Afterburners!

Tue May 25, 2004 10:08 am

Thanks for the reference.

Remembering how long a 727 takeoff roll could be (sometimes you'd pass the 10,000' marker in ABQ with the NOSE wheel on the ground) it's frightening to imagine taking off from LaPaz in a 727...

Climb could also be slow. Fully-loaded PHL-DEN, the trees were close for an awfully long time. The nose was up but it really wasn't climbing - it was like a water-skier who couldn't quite get up.

It would be incredible to see the JATO's at night (and hopefully not with the Andes looming ahead).
 
MD11LuxuryLinr
Posts: 1311
Joined: Tue Jul 22, 2003 8:34 am

RE: 727 With Afterburners!

Tue May 25, 2004 10:34 am

What? 727s with JATO? Where the hell was I?

~"It would be incredible to see the JATO's at night"~


It would be incredible to watch a 727 takeoff using JATO, period..  Nuts
Caution wake turbulence, you are following a heavy jet.
 
luisca
Posts: 1530
Joined: Thu Aug 16, 2001 11:37 am

RE: 727 With Afterburners!

Tue May 25, 2004 10:38 am

The Andes are in South America, Not in mexico, I think you are mistaken on that part
If it ain't Boeing (or Embraer ;-)) I ain't Going!
 
n9801f
Topic Author
Posts: 337
Joined: Tue Apr 13, 2004 8:29 am

RE: 727 With Afterburners!

Tue May 25, 2004 10:50 am

Luisca,

See United_fan's note above.

No mistake... La Paz, Bolivia is in South America (like the Andes) and I believe the runway is at 13,000' altitude.

Presumably MX wanted to use the 727's for service between MX), Mexico">MEX and South America.
 
IMissPiedmont
Posts: 6199
Joined: Wed May 23, 2001 12:58 pm

RE: 727 With Afterburners!

Tue May 25, 2004 12:39 pm

The 727-264s used by Air Mike were:
20709, 20780, 20895 and 20896. All went to DHL in the spring of 2000, By the time Air Mike got them, the JATO was long gone.
The day you stop learning is the day you should die.
 
COSPN
Posts: 1842
Joined: Fri Oct 12, 2001 6:33 am

RE: 727 With Afterburners!

Tue May 25, 2004 1:55 pm

The Manila CO Mic 727F crew told me they were for used by MX to fire the JATO in event of loosing an engine on takeoff from Mexico City..{Hot and High} with a full load so the aircraft could get airborne after losing an engine during takeoff..

maybe someone from MX could say how many time it was used..

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